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United Kingdom weather

Weather in West Sussex for May 2025

Your guide to West Sussex weather in May - trends and predictions

  • In general, the average temperature in West Sussex at the beginning of May is 15 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 16.9 °C by the end of May.

  • West Sussex sees moderate rainfall in May, averaging 8 rainy days.

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Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/7°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
82 %
Avg humidity

West Sussex in May average weather

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain at times
16°
2
Overcast
13°
3
Overcast
14°
4
Overcast
16°
5
Moderate rain at times
16°
6
Heavy rain at times
13°
7
Patchy rain possible
17°
8
Patchy rain possible
17°
9
Moderate or heavy rain shower
17°
10
Moderate or heavy rain shower
17°
11
Heavy rain at times
18°
12
Moderate rain at times
16°
13
Cloudy
17°
14
Patchy rain possible
17°
15
Overcast
15°
16
Partly cloudy
15°
17
Overcast
17°
18
Patchy rain possible
17°
19
Patchy rain possible
18°
20
Cloudy
18°
21
Overcast
16°
22
Overcast
18°
23
Overcast
15°
24
Overcast
18°
25
Partly cloudy
18°
26
Sunny
17°
27
Sunny
16°
28
Partly cloudy
17°
29
Partly cloudy
16°
30
Cloudy
17°
31
Overcast
17°
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Temperatures trend during May in West Sussex

See the weather trend as well as the moving average line

May weather day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Moderate rain at times
Moderate rain at times
 16° /7° 2.5 mm 4
2 May Overcast
Overcast
 13° /7° 4.6 mm 3
3 May Overcast
Overcast
 14° /5° 1.8 mm 4
4 May Overcast
Overcast
 16° /6° 0.1 mm 4
5 May Moderate rain at times
Moderate rain at times
 16° /8° 1.8 mm 4
6 May Heavy rain at times
Heavy rain at times
 13° /8° 5.9 mm 3
7 May Patchy rain possible
Patchy rain possible
 17° /9° 1.5 mm 4
8 May Patchy rain possible
Patchy rain possible
 17° /8° 1.7 mm 4
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /9° 8.1 mm 4
10 May Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /9° 3.4 mm 5
11 May Heavy rain at times
Heavy rain at times
 18° /7° 3.6 mm 5
12 May Moderate rain at times
Moderate rain at times
 16° /9° 1 mm 4
13 May Cloudy
Cloudy
 17° /9° 2 mm 4
14 May Patchy rain possible
Patchy rain possible
 17° /8° 5.9 mm 4
15 May Overcast
Overcast
 15° /8° 0.3 mm 4
16 May Partly cloudy
Partly cloudy
 15° /6° 2.1 mm 4
17 May Overcast
Overcast
 17° /7° 0.1 mm 4
18 May Patchy rain possible
Patchy rain possible
 17° /9° 5 mm 4
19 May Patchy rain possible
Patchy rain possible
 18° /8° 0.8 mm 4
20 May Cloudy
Cloudy
 18° /6° 0.1 mm 4
21 May Overcast
Overcast
 16° /7° 1.6 mm 4
22 May Overcast
Overcast
 18° /9° 1.4 mm 4
23 May Overcast
Overcast
 15° /7° 0 mm 4
24 May Overcast
Overcast
 18° /6° 0.1 mm 4
25 May Partly cloudy
Partly cloudy
 18° /7° 0.2 mm 5
26 May Sunny
Sunny
 17° /7° 2.1 mm 5
27 May Sunny
Sunny
 16° /6° 0.9 mm 4
28 May Partly cloudy
Partly cloudy
 17° /6° 3 mm 5
29 May Partly cloudy
Partly cloudy
 16° /9° 1 mm 5
30 May Cloudy
Cloudy
 17° /7° 0.4 mm 4
31 May Overcast
Overcast
 17° /8° 0.2 mm 4
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Important Notice
Our weather forecast for West Sussex in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the West Sussex forecast closer to your planned date for the most up-to-date weather information.

West Sussex in May - FAQ

What are the expected maximum and minimum temperatures in West Sussex during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in West Sussex during May?
Significant rainfall exceeding 110.6 mm is expected in West Sussex during May, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in West Sussex during May?
The average wind speed in West Sussex during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Top locations in West Sussex
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Bognor RegisCrawleyLittlehamptonWorthing
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Location coordinates Where is West Sussex?

Get accurate weather forecasts for West Sussex, located at latitude 51.113 and longitude -0.183. Stay updated with localized weather information tailored for West Sussex.

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